uphill or downhill 自下而上或自上而下
Every time you need to enter or exit a lift or travel short distances on a level or uphill slope, you will need to skate.
每次你在进入或者离开索道,或在坡上需要走一段距离时,你都需要滑行。
Taking the J-50 tractor as an example, the different working situations of the tractor (such as: tractor uphill without load, full loaded tractor downhill or uphill) were calculated and analysed.
并以集材-50拖拉机为例对空车上坡、满载下坡、满载上坡等工况进行了计算和分析。
Let it go. If the conversation feels like dragging a piano uphill then it may be time to move on or let silence take over.
如果你们的对话感觉像是硬要把钢琴推到山顶这么艰难,那么也许是时候进行新的话题,或者就稍微停一停,暂时什么都别说了。
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